Snap on screw



FIG. 1 is a perspective view of a snap on screw showing my new design;

FIG. 2 is a front elevational view, the rear view being a mirror imagethereof;

FIG. 3 is top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side view thereof, the left side view being a mirrorimage thereof.

The ornamental design for a snap on screw, as shown and described.